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safety
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  安全
    Study of Safety Forecast Theory and Real-time Monitoring Technique for Switching Overvoltage of Large Power Stations
    厂站操作过电压的安全预测理论与实时监测技术研究
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    《Boiler Furnace Safety Supervisory System》,《Power Engineering》,
    锅炉炉膛安全监控系统
短句来源
    Steam Turbine Safety Monitoring System
    汽轮机安全监视系统
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    Safety Inspection and Reliability Calculation for Transmission systems
    输电系统安全检查与可靠性计算
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    THE SAFETY THEORY OF SIGNAL LIGHT COLOUR FOR RAILWAY
    铁路灯光信号颜色的安全理论
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  安全度
    SAFETY ANALYSIS OF A STEEL TUBE IN DAM BY 3D ELASTIC -PLASTIC FINITE ELEMENT METHOD
    用三维弹塑性有限元确定水电站坝内埋管强度安全度
短句来源
    Underground penstock is used in water power station of middle or large scale widely, because of its obvious advantages such as being laid out flexibly, sharing internal water pressure with surrounding rock, saving steel, higher safety, performing well and so on.
    埋藏式压力钢管布置灵活,可利用围岩分担内水压力,节省钢材且安全度高,运行可靠等优点,而被广泛应用于大中型水电站。
短句来源
    Secondly, this paper proposes the power supply enterprise safety penaltyassessment and models it.
    其次提出供电企业安全性惩罚评价,分析安全度函数的表达形式,并对其进行数学建模。
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    For active reply to the Occident technical barriers and certification, and to help them build up safety philosophy during the process of product design, this paper brings forward a household appliance design method and process model for electrical safety, through which the safety degree of domestic household appliances are expected to be enhanced.
    为了推动国内出口型中小家电企业积极应对欧美技术壁垒和出口认证,帮助他们在产品设计过程中构建产品电气安全理念,提高产品电气安全度,缩短产品设计和出口认证周期,本文提出了面向电气安全的家电产品设计模型和评价方法。
短句来源
    According to the actual engineering of the Jinghong hydropower station,through experimental research on four simulation material penstock models of this project,the bearing capacities of the generating penstocks are reseached. The experimental results show that the ratio of firstly cracking load to design load is larger than 1.75 under internal water pressure. Therefore the penstock structure has higher degree of safety.
    结合景洪水电站工程实际,通过4个仿真材料模型试验,研究了该电站发电压力管道结构的承载能力.研究结果表明,在内水压力作用下,模型的初裂荷载与设计荷载的比值均大于1.75,压力管道结构具有较大的安全度
短句来源
  “safety”译为未确定词的双语例句
    Calculating Method of Thermal Parameters of Exhaust Steam and Reaction Forces of Boiler Safety Valve Vent Pipe
    锅炉安全阀排汽管道的热力参数及反力的计算方法
短句来源
    APPLICATION OF PROGRAMMABLE CONTROLLER TO SAFETY VALUE CONTROL SYSTEMS OF A 650 T/h MONOTUBE BOILER
    可编程控制器在650T/h直流炉安全阀控制系统中的应用
短句来源
    Exploring the Design of an Intrinsic Safety Explosionproof System
    本安防爆系统设计问题探讨
短句来源
    Investigation on safety valve pressure and lagging batteries
    安全阀开阀压与落后蓄电池
短句来源
    Hydraulic Transients and Engineering Solutions to Water Hammer Using Safety Membranes to Replace the Surge Chamber in a Hydropower Station
    水电站用爆破膜代替调压井的过渡过程和工程措施
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  safety
A group of scientists conducted a comprehensive investigation on ecological safety and water and soil erosion in the Northwest Loess Plateau, Northwest China.
      
Therefore, the extension scale of converting cropland to forest could be enlarged properly in the reservoir area, while it should be limited in the non-reservoir area due to the issues of higher population density and food safety.
      
The infrared sensors around the robot improved its safety in avoiding barriers.
      
Frequent natural disasters and man-made catastrophes have threatened the safety of citizens and have attracted much more attention.
      
Disaster prevention, disaster reduction and disaster rescue are the important parts of national public safety.
      
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This paper presents a method of determining the actual average temperature rise of the stator winding of a high-voltage a.c. machine, by measurig-the resistance of that winding under load by means of Kelvin bridge. The method discussed herein has the following special features:1) The installation for measurement is at zero potential, so that safety is assured in operation,2) By taking appropriate measures, disturbance of the a.c. components is Kept away from the bridge circuit, so that the installation...

This paper presents a method of determining the actual average temperature rise of the stator winding of a high-voltage a.c. machine, by measurig-the resistance of that winding under load by means of Kelvin bridge. The method discussed herein has the following special features:1) The installation for measurement is at zero potential, so that safety is assured in operation,2) By taking appropriate measures, disturbance of the a.c. components is Kept away from the bridge circuit, so that the installation of a complicated filter in the galvanometer circuit can he omitted. While the galvanometer still operates steadily.3) A unified method for choosing measuring elements can he applied to various ratings of machines.4) High accuracy of measurement is assured. The maximum error of resistance measurement is within 0.3%, if proper measuring elements were chosen.In the paper the result of measurement and its error are analyzed.

在本文中讨论了一种用双臂电桥测量高压交流电机在运行时的定子绕组电阻,从而得到定子绕组实际平均温升的方法。这种方法的特点是: 1.测量装置处于零电位,保证了操作的安全。 2.采取了适当的措施,将交流干扰消除在电桥线路之外。这样就避免了在检流计回路中采用复杂的滤波装置,而检流计仍能稳定工作。 3.对各种不同的电机可用统一的测量元件选择方法。 4.这种方法保证了较高的测量准确度。当合理选用测量元件时,电阻测量的最大误差可在0.3%以下。 文中分析了电阻测量结果及其误差,还列举了一些试验结果。

This paper presents a method of measuring heavy d.c.current and energy in the rectifier system with the magnetic potentiometer. It illustrates the fundamental principle of the measurement, the circuit layout and the method of calibration. It has been found that the error of measurement by the apparatus manufactured on the said principle is no more than ±2%. The apparatus has the following advantages, no limitation to the current to be measured, great anti-interference ability, no need for breaking the circuit...

This paper presents a method of measuring heavy d.c.current and energy in the rectifier system with the magnetic potentiometer. It illustrates the fundamental principle of the measurement, the circuit layout and the method of calibration. It has been found that the error of measurement by the apparatus manufactured on the said principle is no more than ±2%. The apparatus has the following advantages, no limitation to the current to be measured, great anti-interference ability, no need for breaking the circuit being measured, safety and reliability of operation.

本文提出了采用磁位计测量整流系统直流大电流和电能的方法。文中论述了测量的基本原理,线路结构和校验方法。根据这一测量方法制作的成套装置,经过试验,其误差不超过±2%。这一装置的特点是被测电流不受限制,抗干扰力强,测量时不需要开断被测电路;安全可靠。

This flowmeter is a meter with automatic display and accumulation used for examining and measuring the flow of liquids, gases and steam with the aid of a throttle. This meter differs from the common tlowmeter in two aspects. Firstly, rubber film in cup-form is adopted as a segregating and measuring component. Secondly, the differential transformer wound by the ladder technigue is adopted as a displacement-voltage convlrter component. The construc-tion of this flowmeter is simple, and gives a long displacement,...

This flowmeter is a meter with automatic display and accumulation used for examining and measuring the flow of liquids, gases and steam with the aid of a throttle. This meter differs from the common tlowmeter in two aspects. Firstly, rubber film in cup-form is adopted as a segregating and measuring component. Secondly, the differential transformer wound by the ladder technigue is adopted as a displacement-voltage convlrter component. The construc-tion of this flowmeter is simple, and gives a long displacement, is convenience in changing measuring-range and gives good performance. It is also provided with such disfiguring features as an overload safety device etc. On this Paper, the mechanical design and the structural features of the meter are introduced first. And then, an analysis of the effects of the structure and technique of the differential transformer wound by the even method on the characteristics of the meter, is given the method of winding with the ladder technique is presented and a comparison betwecn the two is made. Finally, an introduction of the main parts of the entire circuit and the actual operation of the meter is given.

橡胶杯膜电远传流量计,是配合节流元件(孔板)用来检测液体,气体和蒸汽的流量,并能自动显示和累积的仪表。它与通常的流量计主要不同之处,在于其一:采用了橡胶杯膜作为隔离和测量元件。其二:采用阶梯绕线工艺的差动变压器作位移电压转换元件。这种流量计具有结构简单,行程大,更换量程方便,性能好,以及设有单向过载保护装置等特点。本文首先介绍流量计的机械设计及结构特点,其次分析平绕差动变压器的结构与工艺对仪表性能的影响,提出了阶梯绕法的绕线工艺;对照比较两种绕法的特性,最后简单介绍整机电路的各个主要部分及仪表的实际运行情况。

 
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